There are two print files located on your Altair's internal memory that can be used to determine if your Altair is printing and functioning properly. These files are setup to use PLA filament only.
Note: If for some reason these files have been removed, they can be re-installed from the ZIP folder which contains your specific Altair's Firmware which can be found in the Reinstalling Firmware Article.
This is a simple quick print to test your machine to verify your printer has been calibrated and is functioning properly. The file for this print is located on your Altair's internal memory and can be found by selecting [Play > sd/ > PLA Twisted Vase] (Please note that this file name may vary slightly depending on the version installed on your specific Altair]
Arc of Triumph
This is a good print to test your machine to verify that your printer has been calibrated properly. Please use the file that is specific to your printer as indicated in the filename.